16959 timelines macro does not have sufficient width

[``* `#16959` Timeline macro does not have sufficient width``](https://community.openproject.org/work_packages/16959)
The [check on line 77](https://github.com/opf/openproject/blob/hotfix/16959_timelines_macro_does_not_have_sufficient_width/app/assets/javascripts/angular/timelines/directives/timeline-container-directive.js#L77) that this is called in a non-wiki content environment. The plug-in you mention is such an environment, so it works there too.